Search a number
-
+
146886155 = 51319711471
BaseRepresentation
bin10001100000101…
…00111000001011
3101020101120220222
420300110320023
5300100324110
622324140255
73432340343
oct1060247013
9336346828
10146886155
1175a05819
124123768b
132457b7b0
1415717d23
15cd66c55
hex8c14e0b

146886155 has 16 divisors (see below), whose sum is σ = 190802304. Its totient is φ = 107909760.

The previous prime is 146886143. The next prime is 146886163. The reversal of 146886155 is 551688641.

It is a de Polignac number, because none of the positive numbers 2k-146886155 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7070 + ... + 18540.

It is an arithmetic number, because the mean of its divisors is an integer number (11925144).

Almost surely, 2146886155 is an apocalyptic number.

146886155 is a deficient number, since it is larger than the sum of its proper divisors (43916149).

146886155 is a wasteful number, since it uses less digits than its factorization.

146886155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11686.

The product of its digits is 230400, while the sum is 44.

The square root of 146886155 is about 12119.6598549629. The cubic root of 146886155 is about 527.6269305143.

The spelling of 146886155 in words is "one hundred forty-six million, eight hundred eighty-six thousand, one hundred fifty-five".

Divisors: 1 5 13 65 197 985 2561 11471 12805 57355 149123 745615 2259787 11298935 29377231 146886155